package com.kuang.springcloud.controller;


import com.kuang.springcloud.pojo.Dept;
import com.kuang.springcloud.service.DeptService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;


@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;

    @HystrixCommand(fallbackMethod = "hystrixGet")
    @RequestMapping("/dept/get/{id}")
    public Dept get(@PathVariable("id") Long id){
        Dept dept = deptService.queryById(id);
        if (dept==null){
            throw new RuntimeException("这个id:"+id+"不存在该用户，或信息无法找到");
        }
        return dept;
    }

    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept().setDeptno(id)
                .setDname("这个id:"+id+"，没有对应的信息，null--@Hystrix")
                .setDb_source("mysql中没有这个数据库");
    }

}
